[INFO] fetching crate verne 0.1.0...
[INFO] building verne-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate verne 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate verne 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate verne 0.1.0
[INFO] finished tweaking crates.io crate verne 0.1.0
[INFO] tweaked toml for crates.io crate verne 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e89c9aafa79c81ae4ecebaacd3f05ac499c86f10db6ae743a2fc5515bd54840
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e89c9aafa79c81ae4ecebaacd3f05ac499c86f10db6ae743a2fc5515bd54840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e89c9aafa79c81ae4ecebaacd3f05ac499c86f10db6ae743a2fc5515bd54840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e89c9aafa79c81ae4ecebaacd3f05ac499c86f10db6ae743a2fc5515bd54840", kill_on_drop: false }`
[INFO] [stdout] 6e89c9aafa79c81ae4ecebaacd3f05ac499c86f10db6ae743a2fc5515bd54840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f146f40988d45b9528cd441b0a09e5ef0fa271e9c2ba19638e394905ea96acff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f146f40988d45b9528cd441b0a09e5ef0fa271e9c2ba19638e394905ea96acff", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling virt v0.2.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling verne v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vcpus`
[INFO] [stdout]   --> src/libvirt.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |                  ref vcpus,
[INFO] [stdout]    |                  ^^^^^^^^^ help: try ignoring the field: `vcpus: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]   --> src/libvirt.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |                  ref memory,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: try ignoring the field: `memory: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/libvirt.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 dom.destroy();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/libvirt.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     dom.undefine();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/libvirt.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 dom.free();
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.verne.4r4iagkk-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8" "/opt/rustwide/target/debug/deps/verne-3870e693083b24f8.1u4pxhfszhpw66l.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libverne-8c78ef4b23a99943.rlib" "/opt/rustwide/target/debug/deps/libvirt-3e751f4e9ce4dad3.rlib" "/opt/rustwide/target/debug/deps/liblibc-2eeb146fbbc48d30.rlib" "/opt/rustwide/target/debug/deps/libyaml_rust-58d6ae9ddcb01a4a.rlib" "/opt/rustwide/target/debug/deps/libgetopts-5ca43e98c1da9652.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-9ab5865733e9acc9.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-1f29700ec5b88f01.rlib" "/opt/rustwide/target/debug/deps/libregex-e23abf883af46f42.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-abdde3ee8a5c208a.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-b8a2b6999f43b6a5.rlib" "/opt/rustwide/target/debug/deps/libucd_util-6ed559ca06d7f02a.rlib" "/opt/rustwide/target/debug/deps/libthread_local-79467375a3998bbe.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-2a06c38938a8f052.rlib" "/opt/rustwide/target/debug/deps/libmemchr-ed39d34d53eebdc4.rlib" "/opt/rustwide/target/debug/deps/liblog-ed86ec8195ba7bde.rlib" "/opt/rustwide/target/debug/deps/liblog-bc17724bd34a7bc3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-755744d3ca57570c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c6dddd3d354e6bea.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-c2ca47afdcc5e309.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-b47be2942017e108.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-20a1e49116ab0df9.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-25e09d9868291683.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9c99fb6e5ca5159e.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-85040d7563599960.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0e4f7587da8acf20.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7be0a6711ed15b5c.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-00672fabc4ff9c9d.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-72fe231ef0473d15.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-019d54ecc304b655.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-cc7d9343e4f608be.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9849bb0fbad7f0f5.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8b33f9cbbc9652fe.rlib" "-Wl,-Bdynamic" "-lvirt" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lvirt
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `verne`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f146f40988d45b9528cd441b0a09e5ef0fa271e9c2ba19638e394905ea96acff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f146f40988d45b9528cd441b0a09e5ef0fa271e9c2ba19638e394905ea96acff", kill_on_drop: false }`
[INFO] [stdout] f146f40988d45b9528cd441b0a09e5ef0fa271e9c2ba19638e394905ea96acff
